CN107716708A - A kind of plate type heat exchanger grommet enlarging flattens combined forming process and device - Google Patents
A kind of plate type heat exchanger grommet enlarging flattens combined forming process and device Download PDFInfo
- Publication number
- CN107716708A CN107716708A CN201711119627.9A CN201711119627A CN107716708A CN 107716708 A CN107716708 A CN 107716708A CN 201711119627 A CN201711119627 A CN 201711119627A CN 107716708 A CN107716708 A CN 107716708A
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- Prior art keywords
- ring
- heat exchanger
- enlarging
- plate
- punch
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
Abstract
A kind of plate type heat exchanger grommet enlarging, which flattens combined forming process and device, device, includes upper die and lower die；Upper mould includes upper lid, upper tops are connected with forcing press cope plate, lower end contacts with flattening punch in the middle part of upper lid, flattening punch lower end is connected with top guide, ring-shaped rubber is provided with around flattening punch column part, ring-shaped rubber upper end and upper lid contact, ring-shaped rubber lower end and cushion block contact, cushion block is placed on ring-type and divided on valve enlarging punch-pin, extension spring is provided with the annular groove that ring-type is divided in the middle part of valve enlarging punch-pin, ring-type divides valve enlarging punch-pin lower end that ball is housed, and is clamping sleeve on the outside of ring-shaped rubber, clamping sleeve connects with top cap；Locating shaft is combined with the middle part of lower mould, lower mould, locating shaft are provided with plate type heat exchanger pressing plate, backing plate are connected with plate type heat exchanger pressing plate；Technique, which is realized, processes at one time the enlarging of plate type heat exchanger bushing and pressing, has the advantages of production efficiency is high, versatility is good, cost-effective.
Description
Technical field
The invention belongs to tubing plastic forming technology field, and in particular to a kind of plate type heat exchanger grommet enlarging flattens compound
Forming technology and device.
Background technology
Plate type heat exchanger is that liquid-liquid, liquid-vapour carry out the ideal equipment of heat exchange, have heat exchange efficiency is high, heat loss is small,
Advantages of compact and light structure, floor space are small, installation is easy to clean, are widely used, the features such as service life is long.Plate type heat exchanger grommet
It is the strength member in plate type heat exchanger, its steady operation is played an important role.The hold-carrying of Conventional plate-type heat exchanger grommet one
Orchid is using the processing of the plastic methods such as punching press, and another end flanges use welding forming technique after being assembled with plate type heat exchanger pressing plate.Gold
The weld seam on category lined flange side not only influences product appearance, especially easily corrodes during service, influences making for heat exchanger
With the life-span, increase the maintenance difficulties of heat exchanger.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, it is an object of the invention to provide a kind of plate type heat exchanger grommet enlarging
Combined forming process and device are flattened, realization processes at one time enlarging and pressing two in plate type heat exchanger grommet manufacturing process
Process, additionally it is possible to which realization is processed to various sizes of tubing, has that production efficiency is high, versatility is good, cost-effective excellent
Point.
In order to achieve the above object, the technical scheme taken of the present invention is：
A kind of plate type heat exchanger grommet enlarging flattens set composite, including upper die and lower die 12；Upper mould includes upper lid 1, on
The top of lid 1 is connected with forcing press cope plate, and the upper middle part lower end of lid 1 and the upper-end contact of flattening punch 2, the lower end of flattening punch 2 is with leading
First 8 connect, and are provided with ring-shaped rubber 3 around the column part of flattening punch 2, the upper end of ring-shaped rubber 3 and upper lid 1 contact, ring-shaped rubber 3
Lower end and cushion block 5 contact, and cushion block 5 is placed on ring-type and divided on valve enlarging punch-pin 6, and ring-type divides valve enlarging punch-pin 6 can be along under cushion block 5
Surface moves radially, and ring-type, which is divided in the annular groove at the middle part of valve enlarging punch-pin 6, is provided with extension spring 7, and ring-type divides the lower end of valve enlarging punch-pin 6 to fill
There is ball 13, the outside of ring-shaped rubber 3 is clamping sleeve 4, and clamping sleeve 4 is attached with upper lid 1 by bolt；
The middle part of lower mould 12 is combined with locating shaft 11, and lower mould 12, locating shaft 11 are provided with plate type heat exchanger pressing plate 10, board-like
Backing plate 9 is combined with heat exchanger pressing plate 10.
Described plate type heat exchanger pressing plate 10 is provided with more than one processing hole, and the outside of plate type heat exchanger pressing plate 10 is set
There is the bolt hole with the positioning of the detent fit of backing plate 9.
A kind of plate type heat exchanger grommet enlarging flattens composite molding technique, comprises the following steps：
1), clamping pipe 100 and plate type heat exchanger pressing plate 10, the processing of the outer wall of pipe 100 and plate type heat exchanger pressing plate 10
Hole coordinates, and inwall coordinates with locating shaft 11, and the free end of pipe 100 is from the processing hole of backing plate 9 by the alignment pin of backing plate 9 and plate
The bolt hole in the outside of formula heat exchanger pressing plate 10 coordinates, and backing plate 9 is positioned；
2), upper mould starts descending, and top guide 8 enters the endoporus of locating shaft 11, and ring-type divides valve enlarging punch-pin 6 to be contacted with pipe 100,
Start to carry out enlarging to the free end of pipe 100, until ring-type divides valve enlarging punch-pin 6 to contact with backing plate 9, flaring process terminates, ring
Shape divides the quantity of valve enlarging punch-pin 6 to take 3-6, and flaring angle takes 40 ° to 60 °；
3), upper mould continues traveling downwardly, and ring-type divides valve flaring die 6 diametrically to be moved out in the presence of flattening punch 2,
Ring-type divides the speed V of valve flaring die 61Speed V relations with flattening punch 2 are
T is the run duration of flattening punch 2, and n is that annular divides the quantity of valve enlarging punch-pin 6, and R is the diameter of flattening punch 2, is flattened convex
Mould 2 after 100 free end in contact of pipe with constantly being flattened；
4), upper mould is up, completes the shaping that plate type heat exchanger pressing plate 10 processes hole grommet；
5), repeat step 1), 2), 3), 4), it is other to plate type heat exchanger pressing plate 10 processing holes grommets be formed, it is complete
Into the processing of all processing hole grommets of plate type heat exchanger pressing plate 10.
Beneficial effects of the present invention are：Time processing realizes enlarging and flattens two processes, is effectively simplified plate-type heat-exchange
The process of device grommet；Backing plate 9 avoids ring-type from dividing valve enlarging punch-pin 6 directly to be contacted with plate type heat exchanger pressing plate 10, to board-like
The surface of heat exchanger pressing plate 10 provides protection；It is different outer by changing because top guide 8 and locating shaft 11 are independent part
The locating shaft 11 in footpath, it is possible to achieve the processing to different-diameter, different height plate type heat exchanger grommet, there is necessarily general
Property.
Brief description of the drawings
Fig. 1 is the front section view that the enlarging of embodiment plate type heat exchanger grommet flattens set composite.
Fig. 2 is that embodiment ring-type divides the schematic diagram of valve enlarging punch-pin 6.
Fig. 3 is the schematic diagram of embodiment plate type heat exchanger pressing plate 10.
Fig. 4 is the schematic diagram of embodiment backing plate 9.
Fig. 5 is operating diagram when the enlarging of embodiment plate type heat exchanger grommet flattens set composite enlarging.
Fig. 6 is that the enlarging of embodiment plate type heat exchanger grommet flattens operating diagram when set composite flattens.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Referring to Figures 1 and 2, a kind of plate type heat exchanger grommet enlarging flattens set composite, including upper die and lower die 12；Upper mould
Including upper lid 1, the upper top of lid 1 is connected with forcing press cope plate, the upper middle part lower end of lid 1 and the upper-end contact of flattening punch 2, is flattened convex
The lower end of mould 2 is connected by screw thread with top guide 8, is provided with ring-shaped rubber 3 around the column part of flattening punch 2, the upper end of ring-shaped rubber 3 and
Upper lid 1 contacts, and the lower end of ring-shaped rubber 3 and cushion block 5 contact, and cushion block 5 is placed on ring-type and divided on valve enlarging punch-pin 6, and ring-type divides valve to expand
Mouth punch-pin 6 can move radially along the lower surface of cushion block 5, and ring-type, which is divided in the annular groove at the middle part of valve enlarging punch-pin 6, is provided with extension spring 7, draws
Ring-type is divided valve enlarging punch-pin 6 to be fixed on flattening punch 2 by spring 7, and ring-type divides the lower end of valve enlarging punch-pin 6 that ball 13, ball are housed
13, which can effectively reduce ring-type, divides friction of the valve enlarging punch-pin 6 when being slided on backing plate 9, and the outside of ring-shaped rubber 3 is clamping sleeve 4,
Clamping sleeve 4 is attached with upper lid 1 by bolt；
The middle part of lower mould 12 is combined with locating shaft 11, and locating shaft 11 is that pipe 100 provides positioning and supporting role, avoids adding
There is corrugation conquassation defect in pipe 100 during work and lower flange fillet part point deforms, and is set on lower mould 12, locating shaft 11
There is plate type heat exchanger pressing plate 10, backing plate 9 is connected with plate type heat exchanger pressing plate 10.
Reference picture 3 and Fig. 4, described plate type heat exchanger pressing plate 10 be provided with first processing hole 10a, second processing hole 10b,
3rd processing hole 10c, the 4th processing hole 10d, the outside of plate type heat exchanger pressing plate 10 is provided with the first bolt hole 101, the second bolt
Hole 102, the 3rd bolt hole 103, the 4th bolt hole 104, the first alignment pin 91, the second alignment pin the 92, the 3rd are connected with backing plate 9
Alignment pin 93, the 4th alignment pin 94, the first alignment pin 91, the second alignment pin 92, the 3rd alignment pin 93, the 4th alignment pin 94 are distinguished
Coordinate with the first bolt hole 101, the second bolt hole 102, the 3rd bolt hole 103, the 4th bolt hole 104, backing plate 9 is determined
Position.
A kind of plate type heat exchanger grommet enlarging flattens composite molding technique, comprises the following steps：
1), reference picture 1, Fig. 3, Fig. 4, clamping pipe 100 and heat exchanger pressing plate 10, the outer wall of pipe 100 and heat exchanger pressing plate
10 the first processing hole 10a coordinates, and inwall coordinates with locating shaft 11, the free end of pipe 100 from the processing hole of backing plate 9 by,
Lower end the first alignment pin 91 of backing plate 9, the second alignment pin 92, the 3rd alignment pin 93, the 4th alignment pin 94 respectively with heat exchanger pressing plate
10 the first bolt hole 101, the second bolt hole 102, the 3rd bolt hole 103, the 4th bolt hole 104 coordinate, and backing plate 9 is determined
Position；
2), reference picture 5, upper mould start descending, and top guide 8 enters locating shaft endoporus, and ring-type divides valve enlarging punch-pin 6 and pipe
100 contacts, start to carry out enlarging, until ring-type divides valve enlarging punch-pin 6 to contact with backing plate 9, flaring process to the free end of pipe 100
Terminate, in this embodiment, ring-type divides the quantity of valve enlarging punch-pin 6 to take 3, and flaring angle takes 45 °；
3), reference picture 6, upper mould continue traveling downwardly, ring-type divide valve flaring die 6 in the presence of flattening punch 2 diametrically
Move out, ring-type divides the speed V of valve flaring die 61Speed V relations with flattening punch 2 are
T is the run duration of flattening punch 2, and n is that annular divides the quantity of valve enlarging punch-pin 6, and R is the diameter of flattening punch 2, is flattened convex
Mould 2 after 100 free end in contact of pipe with constantly being flattened；
4), upper mould is up, completes the shaping that plate type heat exchanger pressing plate 10 first processes hole 10a grommets；
5), repeat step 1), 2), 3), 4), to plate type heat exchanger pressing plate 10 second process hole 10b, the 3rd processing hole 10c,
4th processing hole 10d grommets are formed, and complete the processing of all processing hole grommets of plate type heat exchanger pressing plate 10.
Claims (3)
1. a kind of plate type heat exchanger grommet enlarging flattens set composite, including upper die and lower die (12), it is characterised in that：Upper mould bag
Lid (1) is included, is connected at the top of upper lid (1) with forcing press cope plate, lower end and flattening punch (2) upper-end contact in the middle part of upper lid (1),
Flattening punch (2) lower end is connected with top guide (8), and ring-shaped rubber (3), ring-shaped rubber are provided with around flattening punch (2) column part
(3) upper end and upper lid (1) contact, ring-shaped rubber (3) lower end and cushion block (5) contact, cushion block (5) are placed on ring-type and divide valve enlarging convex
On mould (6), ring-type divides valve enlarging punch-pin (6) to be moved radially along cushion block (5) lower surface, and ring-type is divided in valve enlarging punch-pin (6)
It is provided with extension spring (7) in the annular groove in portion, ring-type divides valve enlarging punch-pin (6) lower end that ball (13) is housed, on the outside of ring-shaped rubber (3)
For clamping sleeve (4), clamping sleeve (4) is connected with upper lid (1)；
Locating shaft (11) is combined with the middle part of lower mould (12), lower mould (12), locating shaft (11) are provided with plate type heat exchanger pressing plate
(10) backing plate (9), is connected with plate type heat exchanger pressing plate (10).
2. a kind of plate type heat exchanger grommet enlarging according to claim 1 flattens set composite, it is characterised in that：Described
Plate type heat exchanger pressing plate (10) is provided with more than one processing hole, and the outside of plate type heat exchanger pressing plate (10) is provided with and backing plate
(9) bolt hole of detent fit positioning.
3. a kind of plate type heat exchanger grommet enlarging flattens composite molding technique, it is characterised in that comprises the following steps：
1), clamping pipe (100) and heat exchanger pressing plate (10), the processing hole of pipe (100) outer wall and heat exchanger pressing plate (10) are matched somebody with somebody
Close, inwall coordinates with locating shaft (11), and pipe (100) free end is from the processing hole of backing plate (9) by backing plate (9) alignment pin
Coordinate with the bolt hole in the outside of plate (10), backing plate (9) is positioned；
2), upper mould starts descending, and top guide (8) enters locating shaft (11) endoporus, and annular divides valve enlarging punch-pin (6) and pipe (100)
Contact, start to carry out enlarging, until ring-type divides valve enlarging punch-pin (6) to contact with backing plate (9), enlarging to pipe (100) free end
Process terminates, and ring-type divides valve enlarging punch-pin (6) quantity to take 3-6, and flaring angle takes 40 ° to 60 °；
3), upper mould continues traveling downwardly, and ring-type divides valve flaring die (6) diametrically to be moved out in the presence of flattening punch (2),
Ring-type divides the speed V of valve flaring die (6)1Speed V relations with flattening punch (2) are
T is flattening punch (2) run duration, and n is that ring-type divides valve enlarging punch-pin (6) quantity, and R is flattening punch (2) diameter, is flattened
Punch-pin (2) after pipe (100) free end in contact with constantly being flattened；
4), upper mould is up, completes the shaping of plate type heat exchanger pressing plate (10) processing hole grommet；
5), repeat step 1), 2), 3), 4), it is other to plate type heat exchanger pressing plate (10) processing holes grommets be formed, complete
The processing of all processing hole grommets of plate type heat exchanger pressing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119627.9A CN107716708B (en) | 2017-11-14 | 2017-11-14 | A kind of flaring of plate heat exchanger grommet flattens combined forming process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119627.9A CN107716708B (en) | 2017-11-14 | 2017-11-14 | A kind of flaring of plate heat exchanger grommet flattens combined forming process and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107716708A true CN107716708A (en) | 2018-02-23 |
| CN107716708B CN107716708B (en) | 2019-01-08 |
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ID=61215370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711119627.9A Active CN107716708B (en) | 2017-11-14 | 2017-11-14 | A kind of flaring of plate heat exchanger grommet flattens combined forming process and device |
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| Country | Link |
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| CN (1) | CN107716708B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184246A (en) * | 1996-11-28 | 1998-06-10 | 日高精机株式会社 | Heat exchanging fin and die-punch set for manufacturing the same |
| JP2004358553A (en) * | 2003-06-09 | 2004-12-24 | Koshin Giken:Kk | Method and device for forming thin cylindrical product with thick edge |
| CN101066551A (en) * | 2007-03-26 | 2007-11-07 | 宁波信泰机械有限公司 | Car door frame edge binding process and mold |
| CN202427849U (en) * | 2011-12-27 | 2012-09-12 | 成都飞机工业（集团）有限责任公司 | Pipe flaring device |
| CN104500882A (en) * | 2014-11-27 | 2015-04-08 | 宁波泰尔汽车部件有限公司 | Pipe and flange connection structure and processing method thereof |
| CN105013908A (en) * | 2015-07-06 | 2015-11-04 | 苏州宇力管业有限公司 | Combination die and manufacturing technology for flanging short-section molding |
| CN105642761A (en) * | 2016-04-01 | 2016-06-08 | 广东远见精密五金股份有限公司 | Flanging die |
| CN206276760U (en) * | 2016-12-21 | 2017-06-27 | 扬州宝陆汽车部件有限公司 | For thermal insulation board and the riveting tool of sheath assembling |
-
2017
- 2017-11-14 CN CN201711119627.9A patent/CN107716708B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184246A (en) * | 1996-11-28 | 1998-06-10 | 日高精机株式会社 | Heat exchanging fin and die-punch set for manufacturing the same |
| JP2004358553A (en) * | 2003-06-09 | 2004-12-24 | Koshin Giken:Kk | Method and device for forming thin cylindrical product with thick edge |
| CN101066551A (en) * | 2007-03-26 | 2007-11-07 | 宁波信泰机械有限公司 | Car door frame edge binding process and mold |
| CN202427849U (en) * | 2011-12-27 | 2012-09-12 | 成都飞机工业（集团）有限责任公司 | Pipe flaring device |
| CN104500882A (en) * | 2014-11-27 | 2015-04-08 | 宁波泰尔汽车部件有限公司 | Pipe and flange connection structure and processing method thereof |
| CN105013908A (en) * | 2015-07-06 | 2015-11-04 | 苏州宇力管业有限公司 | Combination die and manufacturing technology for flanging short-section molding |
| CN105642761A (en) * | 2016-04-01 | 2016-06-08 | 广东远见精密五金股份有限公司 | Flanging die |
| CN206276760U (en) * | 2016-12-21 | 2017-06-27 | 扬州宝陆汽车部件有限公司 | For thermal insulation board and the riveting tool of sheath assembling |
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| Publication number | Publication date |
|---|---|
| CN107716708B (en) | 2019-01-08 |
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